/* Sailflags Feather Flag Designer — v3.6.1 */

:root {
    --sf-navy:      #07519d;
    --sf-blue:      #07519d;
    --sf-blue-dk:   #054585;
    --sf-blue-lt:   #e8f2fc;
    --sf-highlight: #af0329;
    --sf-highlight-dk: #8c0221;
    --sf-red:       #dc2626;
    --sf-grey-dk:   #1e293b;
    --sf-grey-md:   #64748b;
    --sf-grey-lt:   #f4f7fb;
    --sf-border:    #dde6f0;
    --sf-white:     #ffffff;
    --sf-radius:    6px;
    --sf-radius-lg: 10px;
    --sf-shadow:    0 1px 3px rgba(0,0,0,0.07), 0 4px 14px rgba(0,0,0,0.06);
    --sf-shadow-md: 0 4px 18px rgba(0,0,0,0.11);
    --sf-font:      'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.sfd-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px 20px;
    font-family: var(--sf-font);
    color: var(--sf-grey-dk);
}

/* Header */
.sfd-header { text-align: center; margin-bottom: 32px; }
.sfd-header h1 { font-size: 2.2rem; font-weight: 700; color: var(--sf-navy); margin-bottom: 8px; letter-spacing: -0.02em; }
.sfd-header p { font-size: 1rem; color: var(--sf-grey-md); max-width: 560px; margin: 0 auto; }

/* Layout */
.sfd-main-layout { display: grid; grid-template-columns: 270px 1fr 310px; gap: 20px; margin-top: 20px; align-items: start; }

/* Panels */
.sfd-controls-panel, .sfd-canvas-panel, .sfd-actions-panel {
    background: var(--sf-white);
    border-radius: var(--sf-radius-lg);
    box-shadow: var(--sf-shadow);
    border: 1px solid var(--sf-border);
}
.sfd-controls-panel { padding: 0; }
.sfd-actions-panel { padding: 0; overflow-y: visible; }
.sfd-canvas-panel { padding: 28px; display: flex; flex-direction: column; align-items: center; justify-content: flex-start; min-height: 600px; }

/* Section headings as full-width bars */
.sfd-section {
    margin: 0;
    border-bottom: 1px solid var(--sf-border);
}
.sfd-section:last-child { border-bottom: none; }

.sfd-section h3 {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--sf-navy);
    background: #dde9f7;
    border-bottom: 1px solid #c2d6ef;
    margin: 0;
    padding: 10px 16px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    cursor: default;
    user-select: none;
}

.sfd-section-body {
    padding: 16px;
}



/* Canvas */
.sfd-canvas-container { display: flex; gap: 28px; flex-wrap: nowrap; justify-content: center; align-items: flex-start; max-height: 1500px; overflow-y: auto; }
.sfd-canvas-side { display: flex; flex-direction: column; align-items: center; }
.sfd-canvas-side h4 { margin: 0 0 10px 0; font-size: 0.72rem; font-weight: 700; color: var(--sf-grey-md); text-transform: uppercase; letter-spacing: 0.1em; }
.sfd-canvas-wrapper { background: var(--sf-grey-lt); padding: 16px; border-radius: var(--sf-radius); display: inline-block; box-shadow: var(--sf-shadow-md); border: 1px solid var(--sf-border); }
.sfd-canvas-wrapper canvas { display: block; border-radius: 3px; max-width: 100%; height: auto; }
.sfd-canvas-info { margin-top: 16px; text-align: center; }
.sfd-canvas-info p { color: var(--sf-grey-md); font-size: 0.8rem; margin: 4px 0; }

/* Form Controls */
.sfd-control-group { margin-bottom: 12px; }
.sfd-control-group:last-child { margin-bottom: 0; }
.sfd-control-group label { display: block; font-size: 0.82rem; font-weight: 500; color: var(--sf-grey-dk); margin-bottom: 5px; }
.sfd-help-text { font-size: 0.78rem; color: var(--sf-grey-md); margin-top: 4px; }

.sfd-input, .sfd-select, .sfd-textarea {
    width: 100%; padding: 8px 10px; border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius); font-size: 0.9rem; font-family: var(--sf-font);
    color: var(--sf-grey-dk); background: var(--sf-white);
    transition: border-color 0.2s, box-shadow 0.2s; box-sizing: border-box;
}
.sfd-input:focus, .sfd-select:focus, .sfd-textarea:focus {
    outline: none; border-color: var(--sf-navy); box-shadow: 0 0 0 3px rgba(7,81,157,0.1);
}
.sfd-textarea { resize: vertical; }

.sfd-color-picker { width: 100%; height: 38px; border: 1px solid var(--sf-border); border-radius: var(--sf-radius); cursor: pointer; padding: 2px; background: var(--sf-white); }
.sfd-slider { width: calc(100% - 56px); margin-right: 8px; accent-color: var(--sf-navy); }
.sfd-file-input { width: 100%; padding: 7px; font-size: 0.85rem; font-family: var(--sf-font); }

/* Side selector */
.sfd-button-group { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.sfd-btn-side {
    padding: 8px 12px !important; font-size: 0.85rem !important;
    background: var(--sf-grey-lt) !important; color: var(--sf-grey-md) !important;
    border: 1px solid var(--sf-border) !important; border-radius: var(--sf-radius) !important;
    font-weight: 600 !important; margin-bottom: 0 !important; transition: all 0.2s !important;
}
.sfd-btn-side.active { background: var(--sf-highlight) !important; color: var(--sf-white) !important; border-color: var(--sf-highlight) !important; }

/* Shape grid */
.sfd-shape-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin-top: 8px; }
.sfd-shape-option {
    padding: 9px 8px; background: var(--sf-grey-lt); border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius); cursor: pointer; font-size: 0.82rem; font-weight: 500;
    transition: all 0.18s; text-align: center; display: flex; align-items: center;
    justify-content: center; gap: 6px; color: var(--sf-grey-dk); font-family: var(--sf-font);
}
.sfd-shape-option:hover { background: var(--sf-highlight); color: var(--sf-white); border-color: var(--sf-highlight); }

/* Info box */
.sfd-info-box { background: var(--sf-blue-lt); padding: 12px 14px; border-radius: var(--sf-radius); font-size: 0.85rem; color: var(--sf-navy); border-left: 3px solid var(--sf-navy); }

/* Buttons */
.sfd-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 7px;
    padding: 9px 16px; border: 1px solid transparent; border-radius: var(--sf-radius);
    font-size: 0.875rem; font-weight: 600; font-family: var(--sf-font);
    cursor: pointer; transition: all 0.18s; text-align: center;
    width: 100%; margin-bottom: 8px; line-height: 1.2; letter-spacing: 0.01em;
}
.sfd-btn:last-child { margin-bottom: 0; }
.sfd-btn svg { flex-shrink: 0; width: 15px; height: 15px; }

.sfd-btn-primary { background: var(--sf-navy); color: var(--sf-white); border-color: var(--sf-navy); }
.sfd-btn-primary:hover { background: var(--sf-blue-dk); border-color: var(--sf-blue-dk); }

.sfd-btn-success { background: var(--sf-green); color: var(--sf-white); border-color: var(--sf-green); }
.sfd-btn-success:hover { background: #15803d; border-color: #15803d; }

.sfd-btn-secondary { background: var(--sf-white); color: var(--sf-grey-dk); border-color: var(--sf-border); }
.sfd-btn-secondary:hover { background: var(--sf-grey-lt); }

.sfd-btn-danger { background: var(--sf-white); color: var(--sf-red); border-color: #fecaca; }
.sfd-btn-danger:hover { background: #fef2f2; border-color: var(--sf-red); }

.sfd-btn-large {
    padding: 14px 20px; font-size: 1rem;
    background: var(--sf-highlight); color: var(--sf-white); border-color: var(--sf-highlight);
    box-shadow: 0 2px 8px rgba(175,3,41,0.3);
}
.sfd-btn-large:hover { background: var(--sf-highlight-dk); border-color: var(--sf-highlight-dk); box-shadow: 0 4px 16px rgba(175,3,41,0.4); transform: translateY(-1px); }

/* Price */
.sfd-price-display { background: var(--sf-navy); color: var(--sf-white); padding: 18px; border-radius: var(--sf-radius-lg); text-align: center; margin-top: 14px; }
.sfd-price-label { font-size: 0.75rem; opacity: 0.7; margin-bottom: 4px; text-transform: uppercase; letter-spacing: 0.08em; }
.sfd-price-amount { font-size: 2rem; font-weight: 700; margin-bottom: 4px; letter-spacing: -0.02em; }
.sfd-price-note { font-size: 0.78rem; opacity: 0.7; }

/* Form */
.sfd-form-group { margin-bottom: 14px; }
.sfd-form-group label { display: block; font-size: 0.82rem; font-weight: 500; color: var(--sf-grey-dk); margin-bottom: 5px; }
.sfd-form-message { margin-top: 14px; padding: 12px 14px; border-radius: var(--sf-radius); font-size: 0.88rem; display: none; }
.sfd-form-message.success { background: #f0fdf4; color: #166534; border: 1px solid #bbf7d0; display: block; }
.sfd-form-message.error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; display: block; }

/* Tips */
.sfd-tips-list { list-style: none; padding: 0; margin: 0; }
.sfd-tips-list li { padding: 6px 0 6px 20px; position: relative; font-size: 0.84rem; color: var(--sf-grey-md); line-height: 1.5; border-bottom: 1px solid var(--sf-border); }
.sfd-tips-list li:last-child { border-bottom: none; padding-bottom: 0; }
.sfd-tips-list li:before { content: ""; position: absolute; left: 0; top: 13px; width: 6px; height: 6px; background: var(--sf-navy); border-radius: 50%; }

/* Responsive */
@media (max-width: 1600px) { .sfd-canvas-container { flex-wrap: wrap; } }
@media (max-width: 1200px) { 
    .sfd-main-layout { grid-template-columns: 1fr; gap: 16px; } 
    .sfd-controls-panel { max-height: 600px; overflow-y: auto; } 
}
@media (max-width: 768px) { .sfd-header h1 { font-size: 1.7rem; } .sfd-container { padding: 12px; } .sfd-canvas-wrapper { padding: 10px; } .sfd-canvas-container { gap: 12px; } }